2044442137 has 2 divisors, whose sum is σ = 2044442138. Its totient is φ = 2044442136.

The previous prime is 2044442111. The next prime is 2044442149. The reversal of 2044442137 is 7312444402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1920542976 + 123899161 = 43824^2 + 11131^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044442137 - 2¹⁵ = 2044409369 is a prime.

It is a super-2 number, since 2×2044442137² = 8359487303082253538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2044442099 and 2044442108.

It is not a weakly prime, because it can be changed into another prime (2044442107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022221068 + 1022221069.

It is an arithmetic number, because the mean of its divisors is an integer number (1022221069).

Almost surely, 2^2044442137 is an apocalyptic number.

It is an amenable number.

2044442137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044442137 is an equidigital number, since it uses as much as digits as its factorization.

2044442137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 2044442137 is about 45215.5077047687. The cubic root of 2044442137 is about 1269.1850304903.

Adding to 2044442137 its reverse (7312444402), we get a palindrome (9356886539).

The spelling of 2044442137 in words is "two billion, forty-four million, four hundred forty-two thousand, one hundred thirty-seven".